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420420483 = 3372224447
BaseRepresentation
bin11001000011110…
…001101110000011
31002022002120111000
4121003301232003
51330111423413
6105415023043
713263341460
oct3103615603
91068076430
10420420483
111a635314a
12b896aa83
1369141222
143db9c667
1526d99073
hex190f1b83

420420483 has 16 divisors (see below), whose sum is σ = 711823360. Its totient is φ = 240240168.

The previous prime is 420420461. The next prime is 420420487. The reversal of 420420483 is 384024024.

It is a happy number.

It is not a de Polignac number, because 420420483 - 214 = 420404099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420420487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112035 + ... + 1112412.

It is an arithmetic number, because the mean of its divisors is an integer number (44488960).

Almost surely, 2420420483 is an apocalyptic number.

420420483 is a deficient number, since it is larger than the sum of its proper divisors (291402877).

420420483 is a wasteful number, since it uses less digits than its factorization.

420420483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224463 (or 2224457 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 420420483 is about 20504.1577003300. The cubic root of 420420483 is about 749.1370715200.

It can be divided in two parts, 420420 and 483, that added together give a triangular number (420903 = T917).

The spelling of 420420483 in words is "four hundred twenty million, four hundred twenty thousand, four hundred eighty-three".

Divisors: 1 3 7 9 21 27 63 189 2224447 6673341 15571129 20020023 46713387 60060069 140140161 420420483